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Thread: This kernel does not support a non-PAE CPU.

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  1. #1
    Join Date
    Jun 2007
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    26
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    Lubuntu

    This kernel does not support a non-PAE CPU.

    Hello.

    I have just updated lubuntu to 12.10 beta and during that process I found out that a PAE kernel seems to be mandatory these days. Kernel version "3.2.0-30-generic" was kept so I can work with this machine.

    What can I do? Is there a ppa with another kernel flavor available? Is this the end of the line?

    Code:
    cat /proc/cpuinfo 
    processor	: 0
    vendor_id	: GenuineIntel
    cpu family	: 6
    model		: 13
    model name	: Intel(R) Celeron(R) M processor         1.30GHz
    stepping	: 6
    microcode	: 0x18
    cpu MHz		: 1296.792
    cache size	: 1024 KB
    fdiv_bug	: no
    hlt_bug		: no
    f00f_bug	: no
    coma_bug	: no
    fpu		: yes
    fpu_exception	: yes
    cpuid level	: 2
    wp		: yes
    flags		: fpu vme de pse tsc msr mce cx8 apic mtrr pge mca cmov clflush dts acpi mmx fxsr sse sse2 ss tm pbe up bts
    bogomips	: 2593.58
    clflush size	: 64
    cache_alignment	: 64
    address sizes	: 32 bits physical, 32 bits virtual
    power management:

  2. #2
    Join Date
    Feb 2009
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    Dallas
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    Ubuntu Gnome 14.04 Trusty Tahr

    Re: This kernel does not support a non-PAE CPU.

    Quote Originally Posted by hasardeur View Post
    Is this the end of the line?
    Ubuntu and some of the official spins are dropping non-PAE support for 32-bit. If you want to use current software there are other distributions like Debian will likely continue supporting older hardware for longer than Ubuntu. Alternatively you could stick with 12.04 LTS until April of 2017.

  3. #3
    Join Date
    Jun 2007
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    Lubuntu

    Re: This kernel does not support a non-PAE CPU.

    So I guess a third party ppa for a non PAE kernel is unlikely? Sticking with the LTS is an option.
    Hm, seems so un-linux like that this happens anyway...

  4. #4
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    Re: This kernel does not support a non-PAE CPU.

    Quote Originally Posted by hasardeur View Post
    So I guess a third party ppa for a non PAE kernel is unlikely? Sticking with the LTS is an option.
    Hm, seems so un-linux like that this happens anyway...
    If someone volunteers and creates/maintains a PPA there will be. You can always build your own kernel if you want.

  5. #5
    Join Date
    Jul 2011
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    The Great Ocean
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    Lubuntu

    Re: This kernel does not support a non-PAE CPU.

    install 12.04 and do a dist-upgrade

  6. #6
    Join Date
    Jun 2007
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    26
    Distro
    Lubuntu

    Re: This kernel does not support a non-PAE CPU.

    Unfortunately that is not an option. I already switched to Arch, so this matter is more or less solved. Thanks for the input everybody.

  7. #7
    Join Date
    Mar 2013
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    1

    Re: This kernel does not support a non-PAE CPU.

    I just tried to install the 12.04.2 LTS CD on a 2003 vintage Dell Inspiron 9200 with 1 GB RAM. The install also insisted on PAE compatible hardware, which the 9200 does not have.

    Will the "alternate" install CD also insist on PAE hardware/kernel?
    I yes, then I won't bother to waste more time.

  8. #8
    Join Date
    Oct 2009
    Location
    Reykjavík, Ísland
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    11,897
    Distro
    Lubuntu 16.04 Xenial Xerus

    Re: This kernel does not support a non-PAE CPU.

    It does not matter if you use the regular or the alternate ISO.
    Your best option is Xubuntu 12.04, which is supported two years from now and does not require PAE.
    Bringing old hardware back to life. About problems due to upgrading.
    Please visit Quick Links -> Unanswered Posts
    Don't use this space for a list of your hardware. It only creates false hits in the search engines.

  9. #9
    Join Date
    Jul 2007
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    Texas
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    Re: This kernel does not support a non-PAE CPU.

    I realize this thread is marked 'SOLVED' so this is a FWIW...

    I ran into a similar issue on an old HP Compaq (w/Celeron cpu) laptop with almost identical spec as the OP's Celeron laptop. This HP laptop I type of is running 32-bit LM13, (i.e. Ubuntu 12.04 LTS) and I was attempting to upgrade the kernel to linux-image-generic-lts-quantal 3.5 but as posted above installs failed with the 'non-PAE CPU' error. Then I found the solution for my issue here:

    http://askubuntu.com/questions/20398.../256037#256037

    Install the 'fake-pae' repository, install 'fake-pae' package, then do another install/re-install of the 3.5 kernel packages, reboot.
    .

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